These are some links to sites you might find useful.

Vertical Wind Energy is not responsible for the content of external internet sites:

American Wind Energy Association: www.awea.org

British Wind Energy Association: www.bwea.com

Carbon Trust Wind estimator (UK only): www.carbontrust.co.uk/windpowerestimator

Department of Business, Innovation & Skills (BIS): www.berr.gov.uk

Department of Energy and Climate Change (includes The Office for Renewable Energy Deployment (ORED)): www.decc.gov.uk

Department of Environment, Food & Rural Affairs (defra): www.defra.gov.uk

Environment Agency: www.environment-agency.gov.uk

Irish distributors: www.informsolutions.ie

Irish Department of the Environment, Heritage & Local Government: www.environ.ie/en

Associate Parliamentary Renewable and Sustainable Energy Group (PRASEG): www.praseg.org.uk

Renewable Energy Association (REA): www.r-e-a.net

RSPB: www.rspb.org.uk

UK Installers: www.markgroup.co.uk

UK Renewables Service: www.ukrenewables.com

Wikipedia article re vertical wind turbines: http://en.wikipedia.org/wiki/Wind_turbine#Vertical_axis

Wind speed sites: There are some useful websites that can give us some idea of wind speeds such as www.xcweather.co.uk, www.carbontrust.co.uk/windpowerestimator and www.sei.ie

www.ostergrens.se

www.windfinder.com

www.power-one.com